Subtract 6/32 from 9/21
9/21 - 6/32 is 27/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 21 × 32 = 672,
9/21 = 9 × 32/21 × 32 = 288/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
6/32 = 6 × 21/32 × 21 = 126/672 - Subtract the two like fractions:
288/672 - 126/672 = 288 - 126/672 = 162/672 - After reducing the fraction, the answer is 27/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/21-6/32 9/21-12/32 9/42-6/32 9/21-6/64 27/21-6/32 9/21-18/32 9/63-6/32 9/21-6/96 45/21-6/32 9/21-30/32 63/21-6/32 9/21-42/32